Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Mostly Cloudy

64°F

18°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 23 Jul 6:15 am MDT
Extended Forecast for

6 Miles SE Lead SD

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am.  High near 73. Light and variable wind.  Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 68. Southwest wind around 6 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 73. Light and variable wind. Chance of precipitation is 80%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 54. Light and variable wind.
Friday
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 63. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 94. Southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 68. Southwest wind around 6 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Monday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lead SD
 44.27°N 103.71°W (Elev. 5597 ft)
5:37 am MDT Jul 23, 2026
6am MDT Jul 23, 2026-6pm MDT Jul 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database